解方程4(x-1)^2-9(2+X)^2=0
解方程(3x^2+9x+7)/(x+1)-(2x^2+4x-3)/(x-1)-(x^3+x+1)/(x^2-1)=0
解方程:2/x^2+x+3/x^2-x-4/x^2-1=0
解方程4x^2+2x√(3x^+x)+x-9=0
解方程:(4/x-2)+(x-1/x-5x+6)+(2/3-x)=0
解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
解方程(x²-x+4)x-(x-1)(x²+2)=x+7
解方程:2x(x-9x)+16=0
解方程:x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)